import java.util.*;
public class Example4_11{
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int [] a={12,34,9,23,45,6,45,90,123,19,34};
        Arrays.sort(a);
        System.out.println(Arrays.toString(a));
        System.out.println("输入整数，程序判断该整数是否在数组中:");
        int number=scanner.nextInt();
        int index=Arrays.binarySearch(a, number);
        if(index>=0)
            System.out.println(number+"和数组中索引为"+index+"的元素值相同");
        else
            System.out.println(number+"不与数组中任何元素相同");
    }
}